Krikor Boghossian replied the topic: Jumpy video in chrome but not in firefox

Hello,

This has to do with the video itself (wrong codecs perhaps)
ferryadvertising.co.uk/images/Ferry%20advertising.mp4
As you can see Chrome is not able to play the video properly even when the actual mp4 file is being requested.
You need to encode the video using the mp4/h264 codecs which is considered cross-browser compatible.